.loader {
  background: #0008;
  height: 100%;
  width: 100%;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  top: 0;
  z-index: 9999;
}

.loader .loader_inner {
  animation: animate 1.5s linear infinite;
  clip: rect(0, 80px, 80px, 40px);
  height: 80px;
  width: 80px;
  position: absolute;
  left: calc(50% - 40px);
  top: calc(50% - 40px);
}

@keyframes animate {
  0% {
    transform: rotate(0deg)
  }
  100% {
    transform: rotate(220deg)
  }
}

.loader_inner:after {
  animation: animate2 1.5s ease-in-out infinite;
  clip: rect(0, 80px, 80px, 40px);
  content: '';
  border-radius: 50%;
  height: 80px;
  width: 80px;
  position: absolute;
}

@keyframes animate2 {
  0% {
    box-shadow: inset #b3dfd8 0 0 0 17px;
    transform: rotate(-140deg);
  }
  50% {
    box-shadow: inset #b3dfd8 0 0 0 2px;
  }
  100% {
    box-shadow: inset #b3dfd8 0 0 0 17px;
    transform: rotate(140deg);
  }
}

.loader-text {
  position: absolute;
  left: calc(50%);
  top: calc(50% + 120px);
  transform: translate(-50%, -50%);
  color: #eee;  
  font-weight: bold;
  font-size: 24px;
  text-align: center;  
}